159849423 has 16 divisors (see below), whose sum is σ = 244454400. Its totient is φ = 103128120.

The previous prime is 159849409. The next prime is 159849433. The reversal of 159849423 is 324948951.

159849423 is a `hidden beast` number, since 159 + 8 + 494 + 2 + 3 = 666.

It is not a de Polignac number, because 159849423 - 2⁴ = 159849407 is a prime.

It is a super-3 number, since 3×159849423³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159849433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94653 + ... + 96326.

It is an arithmetic number, because the mean of its divisors is an integer number (15278400).

Almost surely, 2^159849423 is an apocalyptic number.

159849423 is a deficient number, since it is larger than the sum of its proper divisors (84604977).

159849423 is a wasteful number, since it uses less digits than its factorization.

159849423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191019 (or 191013 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 159849423 is about 12643.1571610892. The cubic root of 159849423 is about 542.7131661741.

The spelling of 159849423 in words is "one hundred fifty-nine million, eight hundred forty-nine thousand, four hundred twenty-three".